問題詳情

30. We need to stop ________ something so important for our future for Earth. We need to protect the rain forests and ourenvironment.
(A) to harm
(B) harm
(C)harming
(D) harmed

參考答案

答案:C
難度:簡單0.729167
統計:A(7),B(1),C(35),D(2),E(0)